drh
85ffcae177
Add the new threadtest5 test program for stressing multiple database
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connections in the same process hammering on a single database.
Primarily designed to test memdb, but works on any database.
FossilOrigin-Name: 8db1c06958b8e1691440d4fd392648b74a1940b721852dabd315005efad520fc
2021-05-12 14:17:20 +00:00
drh
8d889afc0d
Enable the sqlite3_serialize() and sqlite3_deserialize() interfaces by
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default. Omit the SQLITE_ENABLE_DESERIALIZE option and replace it with
the SQLITE_OMIT_DESERIALIZE option.
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2021-05-08 17:18:23 +00:00
drh
4752bbd872
Detect misuse of aggregate functions in the ORDER BY clause of a query
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even if the query also contains window functions.
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2021-05-07 15:46:36 +00:00
drh
67656ac78a
When applying the optimization that disables WHERE clause terms that drive
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indexes, make sure not to do so if the term being disabled is a transitive
constraint. Fix for the problem identified by
[forum:forumpost/eb8613976a|forum post eb8613976a].
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2021-05-04 23:21:35 +00:00
drh
433a3e935d
Back out the EXISTS-to-IN optimization. It slows things down rather than
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speeds them up depending on the query. And (see
[forum:/forumpost/8692d94725|forum post 8692d94725]) it sometimes results in
an incorrect answer. We may come back and revisit this optimization later,
but for now it seems best just to disable it.
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2021-05-04 12:07:16 +00:00
drh
736d11ed21
Back out the NEVER() inserted by [c7309ed3c7588c7e] because it is reachable
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after all. dbsqlfuzz bc17a306a09329bba0ecc61547077f6178bcf321
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2021-05-01 12:09:36 +00:00
drh
5960724789
Fix the operation of the "-" argument to --load-dbsql in the fuzzcheck program.
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2021-04-29 18:03:42 +00:00
drh
81f5ef05a9
Fix the IN-early-out optimization so that it works even for the corner case
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where the NULL bypass fires before the affinity of the LHS operator has been
set. Fix for the problem described in
[forum:/forumpost/6a3ec138e9|forum post 6a3ec138e9].
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2021-04-29 15:49:34 +00:00
drh
5e26d07d62
Update test/fuzzdata8.db with recent dbsqlfuzz finds.
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2021-04-29 10:48:50 +00:00
drh
3765c03243
Further improvements to the handling of RETURNING clauses on changes
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to TEMP tables with triggers.
dbsqlfuzz 683913e98f54fe4f14e8dd11a48011f73bdca58d
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2021-04-27 17:18:10 +00:00
drh
a476768340
RETURNING bug fix: Correctly deal with RETURNING statements on changes to
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TEMP tables that also have triggers.
dbsqlfuzz 78b9400770ef8cc7d9427dfba26f4fcf46ea7dc2
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2021-04-27 13:04:18 +00:00
drh
d8bc250b91
New dbsqlfuzz cases added to test/fuzzdata8.db.
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2021-04-26 22:30:49 +00:00
drh
c7f5077e88
Fix the [/info/df1d6482f9e92daf|UNION ALL flattener optimization] so that it
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works better with recursive CTEs.
dbsqlfuzz 88ed5c66789fced139d148aed823cba7c0926dd7
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2021-04-26 21:23:01 +00:00
larrybr
ada2323d95
refix altertab.test
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2021-04-26 20:18:08 +00:00
drh
8ed8ddf759
When doing the optimization that attempts to avoid sorting on a
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GROUP BY, do not assume that the values in an index on an expression are
non-NULL. Bug discovered by Wang Ke's fuzzer and reported at
[forum:/forumpost/74330094d8|forum post 74330094d8].
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2021-04-26 14:32:48 +00:00
dan
bb0eec438d
Do not initialize eponymous virtual tables when parsing the schema. This can happen if the db is corrupt.
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FossilOrigin-Name: cb8c41aa20bb351c4c712ed7a3617187ceeb0905ede1e6f561bc1d89f31c95ea
2021-04-26 14:09:48 +00:00
larrybr
3ff6a5edd9
Skip test when no JSON.
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2021-04-25 23:13:04 +00:00
drh
113a33c539
Make window range queries more robust against corrupt database files.
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dbsqlfuzz f22df3a7b2aab0937a415484514fc2f68a293c99.
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2021-04-24 23:40:05 +00:00
drh
971ae9f66a
Fix testcase altertab-25.1 due to check-in [c7909e8e0d0577c6] disallowing
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ALTER TABLE on eponymous virtual tables.
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2021-04-24 12:20:10 +00:00
drh
1521270010
Fix harmless compiler warnings in fuzzcheck.
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2021-04-23 13:57:53 +00:00
drh
ba6619d7be
Enhance the --load-dbsql and related options of fuzzcheck so that if the
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argument is a single - then filenames are read from standard input.
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2021-04-23 12:58:16 +00:00
drh
292ed6decf
Give a better final output line for the --spinner option on fuzzcheck.
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2021-04-23 12:16:16 +00:00
drh
d84f10ed13
New dbsqlfuzz cases added to test/fuzzdata8.db.
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FossilOrigin-Name: 8da88508932e475c8c6af1553268ff02e3e013b78ccc94b14532ec928fc62537
2021-04-23 11:50:23 +00:00
dan
f3d5a68461
Fix an assert() in fts5_index.c that may fail if the database records are corrupt.
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FossilOrigin-Name: dfadb96edfef1d49e48a659264b9eb8d7f98d95d159d95c92c30dd4ba6c6e739
2021-04-23 11:37:01 +00:00
drh
3d8c92d041
Raise an error on an attempt to rename an eponymous virtual table.
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FossilOrigin-Name: c7909e8e0d0577c6109f13c0b14fb565239aae8af8963d659f363e124f3437fc
2021-04-22 18:02:48 +00:00
drh
68b63c0195
Fix the date/time translation logic in the zipfile extension so that it
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works with boundary cases. See
[forum:/forumpost/d82289d69f|forum post d82289d69f] for the trouble report.
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2021-04-22 14:43:16 +00:00
drh
7437c25b63
Add recent dbsqlfuzz test cases to test/fuzzdata8.db.
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2021-04-21 12:03:36 +00:00
dan
fe599b05f2
Fix a problem allowing SQL variables to be used expressions within the second and subsequent ON CONFLICT clauses of an UPSERT within a trigger.
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FossilOrigin-Name: 2a28910a17dc5b3ce43062fdf879f9622f6ec2db19ed780fa7fe5cae781be7b7
2021-04-21 11:32:22 +00:00
dan
5b482a9832
Update an assert() in btree.c that may fail with a corrupt database.
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FossilOrigin-Name: d74bf88c5a027cf080a2892a3538fe5104952b5b3759a6eba1b1a98a75ddf5f4
2021-04-20 13:31:51 +00:00
dan
0a746cc528
Ensure that all records are updated by setting the OPFLAG_SAVEPOSITION flag when updating records as part of ALTER TABLE DROP COLUMN.
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FossilOrigin-Name: 354a4db5cb769c6aed386f43ee26d7e42342e92f781eef100c09751dc5b51751
2021-04-18 05:30:39 +00:00
dan
3c6fbd6dd9
Remove a couple of NEVER() macros from the code for walking window lists.
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2021-04-17 20:13:53 +00:00
larrybr
68d261d073
Bring in permutations mod.
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FossilOrigin-Name: 7a1316f32c857b5ec9e50c5d341f977f998dbf404f4758e3fe317fd8ef25f41e
2021-04-17 20:04:40 +00:00
dan
55f36787ea
Do not run external_reader.test as part of permutation "journaltest", as it requires wal mode.
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FossilOrigin-Name: 9f5f16cf093cd8b8c7649f664eaf2ad8128fd50e182720dbddf05a6d9227c037
2021-04-17 19:59:14 +00:00
larrybr
f5576936f1
Allow more time for perf tests when instrumented. Condition another on feature it needs.
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FossilOrigin-Name: f0dd9cf2d7045d3634294bcf2722d3d7b0a6c4c3ef713b0f7f54fbe31432027f
2021-04-17 18:43:29 +00:00
drh
48a6aede46
Add new dbsqlfuzz cases to test/fuzzdata8.db.
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FossilOrigin-Name: d18793e589a4ee7706e994a1f3d24ba7df190467d92fa6ac040258f4debc149d
2021-04-17 18:39:39 +00:00
dan
44918c74cd
Fix cases where code in expr.c was failing to handle OOM failures that occurred while processing sub-select expressions.
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FossilOrigin-Name: 62efe2eee34fdb147cc456290576d8fc3801487867c78aadd4485f85468d9ffc
2021-04-17 14:42:37 +00:00
drh
7b0d34fe32
Ensure that variables are not used in the WINDOW clause of a query inside
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of a trigger. dbsqlfuzz d9cf66100064952b66951845dfab41de1c124611
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2021-04-17 13:46:23 +00:00
larrybr
453954b0de
Make a test conditioned on feature used.
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2021-04-16 21:29:07 +00:00
drh
188ba3a979
Add new dbsqlfuzz-generated cases to test/fuzzdata8.db.
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FossilOrigin-Name: 1ac0a056a07895cc4ae62d01cbba5525402be3af3b8f97fd1dfaba2236ef912b
2021-04-16 19:25:47 +00:00
dan
11a6e9d9f0
Fix an assert() in fts3 that might fail when handing corrupt records.
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FossilOrigin-Name: d0e2d6742f314f71562e404980aad20de6b17e0b04c08582c18bbc4fd0360751
2021-04-16 11:25:37 +00:00
dan
9988db8302
Fix a bad interaction between constant propagation and transitive term handling causing patterns like "WHERE unlikely(t1.x=t1.y) AND t1.y=?" to return non-matching rows.
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FossilOrigin-Name: 2363a14ca723c0343fbe350f6c19787a7a47c2289fd9af136c97a451b53b5226
2021-04-15 19:09:19 +00:00
dan
37d4ec86bf
Add extra test case for OOM handling in where.c.
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2021-04-15 13:26:29 +00:00
dan
8505d73dc0
Fix a potential crash when using json_group_array() as a window function.
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2021-04-14 12:11:39 +00:00
dan
d487e37367
Fix a segfault that could occur if the ORDER BY clause of a compound SELECT contains a sub-select that uses one or more window functions.
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FossilOrigin-Name: 5ba15ebb34c3af85ef6c54bbb3acb57176d629cda83774881b2a6467e138e904
2021-04-12 16:59:28 +00:00
dan
cd0b245934
Avoid an assert() failure when a compound scalar sub-select is, due to a "WHERE (sub-select) AND (... OR ...)" clause, coded twice by the code generator.
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2021-04-12 12:02:49 +00:00
dan
677e62aacd
Fix a problem with handling expressions like "(col IS NULL AND <expr1>) OR col == NULL" in WHERE clauses.
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FossilOrigin-Name: 40852ca8e215e51f63652a67817361b835b6fbbff7f66af50089af91007505f1
2021-04-10 14:49:45 +00:00
dan
bfd6f1bcd5
Fix a use-after-free error that could occur when processing "SELECT aggregate(DISTINCT <expr>)..." queries.
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FossilOrigin-Name: 0e4789860b81c31d3a6d1f9f8340042ce1d08a82bf6119c783fcab85180b1b63
2021-04-08 20:29:12 +00:00
drh
4ad9673d00
Do not allow the use of rowid for views and subqueries unless compiled
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with -DSQLITE_ALLOW_ROWID_IN_VIEW.
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2021-04-07 18:17:53 +00:00
drh
6e5020e8da
Also prohibit the use of rowid from a subquery. Add the
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SQLITE_ALLOW_ROWID_IN_VIEW compile-time option to restore legacy behavior
in case somebody actually needs it.
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2021-04-07 15:45:01 +00:00
dan
755ed41f5a
Fix a possible crash that could occur when executing a drop column operation on a corrupt database schema.
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FossilOrigin-Name: c337849416c588142a5066db3feb1716b7a9d02536bdb73cc9da7d162c0d5494
2021-04-07 12:02:30 +00:00